212888910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1009}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 551799360

約数和(自身を除く): 338910450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 541, 1009, 1082, 1623, 2018, 2705, 3027, 3246, 5045, 5410, 6054, 7033, 8115, 10090, 13117, 14066, 15135, 16230, 21099, 26234, 30270, 35165, 39351, 42198, 65585, 70330, 78702, 105495, 131170, 196755, 210990, 393510, 545869, 1091738, 1637607, 2729345, 3275214, 5458690, 7096297, 8188035, 14192594, 16376070, 21288891, 35481485, 42577782, 70962970, 106444455, 212888910]

約数ペア:

[(1, 212888910), (2, 106444455), (3, 70962970), (5, 42577782), (6, 35481485), (10, 21288891), (13, 16376070), (15, 14192594), (26, 8188035), (30, 7096297), (39, 5458690), (65, 3275214), (78, 2729345), (130, 1637607), (195, 1091738), (390, 545869), (541, 393510), (1009, 210990), (1082, 196755), (1623, 131170), (2018, 105495), (2705, 78702), (3027, 70330), (3246, 65585), (5045, 42198), (5410, 39351), (6054, 35165), (7033, 30270), (8115, 26234), (10090, 21099), (13117, 16230), (14066, 15135)]